Clamping bar



FIG. 1: is a perspective top, first side and first end view of clamping bar showing the design applied thereto;

FIG. 2: is a first side elevational view thereof;

FIG. 3: is a second side elevational view thereof;

FIG. 4: is a top plan view thereof;

FIG. 5: is a bottom plan view thereof;

FIG. 6: is a second end elevational view thereof; and,

FIG. 7: is a first end elevational view thereof.

The portion of the drawings shown in broken lines does not form part of the design. 

The ornamental design for a clamping bar, as shown and described. 